This study of Minnesota prairie plots and drought resistance indicates that the highest resistance to drought was experienced when ________
A) there were at least 5 species per plot
B) there were over 20 species per plot
C) there were between 10 and 20 species per plot
D) plant diversity exceeded 0.2
E) plant diversity attained 0.2
B
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A ________ is an isolated remnant of bedrock standing above a wave-cut platform.
A) sea spit B) sea rampart C) hoodoo D) sea stack
The energy content and biomass of ________ is lowest in any food web
A) decomposers B) top carnivores C) producers D) small carnivores such as spiders and lizards E) detritivores
Which is TRUE regarding capitalism?
A) China was the early core of the capitalist world economy. B) Hard currency (gold coins for example) is required in capitalism. C) Monarchies embraced capitalism because of the change it would bring. D) Capitalism long preceded the creation of the nation-state. E) none of the above are true
Which one of the following statements is not true of tornadoes?
A) occur most frequently in the spring of the year B) most common in the Midwest and Great Plains C) usually occur along the warm front of a mid-latitude cyclone D) associated with cumulonimbus clouds